How To Tell The Symptoms Are From Norovirus Vs Something Else. As you can probably tell from those symptoms, differentiating norovirus from similar conditions—such as the regula

Norovirus tends to come on hard and fast. “Nausea and or vomiting are usually the first symptoms of norovirus,” says infectious disease expert Amesh A. Adalja, MD, a senior scholar at the Johns Hopkins Center for Health Security.

In New York City alone, there were nearly 1,300 cases in December. That's almost triple the number during same time in 2023.

New data form the CDC shows norovirus cases are surging across the U.S. along with RSV, COVID and the flu. The NWS is warning SoCal residents to be prepared as a life-threatening, destructive, widespread windstorm is expected to sweep through much of Los Angeles and Ventura counties Tuesday through Wednesday.

Norovirus is primarily spread through contact with contaminated surfaces or direct contact with someone who has the virus. It can also be spread through food, particularly raw or